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YARN-4722. AsyncDispatcher logs redundant event queue sizes (Jason Lowe via sjlee) 

(cherry picked from commit 553b591ba0)
This commit is contained in:
Sangjin Lee 2016-02-24 09:29:41 -08:00
parent 8ad907f06a
commit 6b59e59865
3 changed files with 11 additions and 2 deletions
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3
hadoop-yarn-project/CHANGES.txt
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@ -2173,6 +2173,9 @@ Release 2.6.5 - UNRELEASED
YARN-2046. Out of band heartbeats are sent only on container kill and YARN-2046. Out of band heartbeats are sent only on container kill and
possibly too early (Ming Ma via jlowe) possibly too early (Ming Ma via jlowe)
YARN-4722. AsyncDispatcher logs redundant event queue sizes (Jason Lowe via
sjlee)
Release 2.6.4 - 2016-02-11 Release 2.6.4 - 2016-02-11
INCOMPATIBLE CHANGES INCOMPATIBLE CHANGES

5
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/event/AsyncDispatcher.java
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@ -50,6 +50,7 @@ public class AsyncDispatcher extends AbstractService implements Dispatcher {
private static final Log LOG = LogFactory.getLog(AsyncDispatcher.class); private static final Log LOG = LogFactory.getLog(AsyncDispatcher.class);
private final BlockingQueue<Event> eventQueue; private final BlockingQueue<Event> eventQueue;
private volatile int lastEventQueueSizeLogged = 0;
private volatile boolean stopped = false; private volatile boolean stopped = false;
// Configuration flag for enabling/disabling draining dispatcher's events on // Configuration flag for enabling/disabling draining dispatcher's events on
@ -236,7 +237,9 @@ public class AsyncDispatcher extends AbstractService implements Dispatcher {
/* all this method does is enqueue all the events onto the queue */ /* all this method does is enqueue all the events onto the queue */
int qSize = eventQueue.size(); int qSize = eventQueue.size();
if (qSize !=0 && qSize %1000 == 0) { if (qSize != 0 && qSize % 1000 == 0
&& lastEventQueueSizeLogged != qSize) {
lastEventQueueSizeLogged = qSize;
LOG.info("Size of event-queue is " + qSize); LOG.info("Size of event-queue is " + qSize);
} }
int remCapacity = eventQueue.remainingCapacity(); int remCapacity = eventQueue.remainingCapacity();

5
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ResourceManager.java
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@ -658,6 +658,7 @@ public class ResourceManager extends CompositeService implements Recoverable {
private final ResourceScheduler scheduler; private final ResourceScheduler scheduler;
private final BlockingQueue<SchedulerEvent> eventQueue = private final BlockingQueue<SchedulerEvent> eventQueue =
new LinkedBlockingQueue<SchedulerEvent>(); new LinkedBlockingQueue<SchedulerEvent>();
private volatile int lastEventQueueSizeLogged = 0;
private final Thread eventProcessor; private final Thread eventProcessor;
private volatile boolean stopped = false; private volatile boolean stopped = false;
private boolean shouldExitOnError = false; private boolean shouldExitOnError = false;
@ -735,7 +736,9 @@ public class ResourceManager extends CompositeService implements Recoverable {
public void handle(SchedulerEvent event) { public void handle(SchedulerEvent event) {
try { try {
int qSize = eventQueue.size(); int qSize = eventQueue.size();
if (qSize !=0 && qSize %1000 == 0) { if (qSize != 0 && qSize % 1000 == 0
&& lastEventQueueSizeLogged != qSize) {
lastEventQueueSizeLogged = qSize;
LOG.info("Size of scheduler event-queue is " + qSize); LOG.info("Size of scheduler event-queue is " + qSize);
} }
int remCapacity = eventQueue.remainingCapacity(); int remCapacity = eventQueue.remainingCapacity();